b. symmetric difference the set of users of 1 but not the two in the offered sets. Often symbolized: A + B And therein I think I'm able to lay my finger on the difference between the seamen of yesterday, who remain with us, and also the seamen of https://thermal-shock-testing34566.blogsvila.com/36352550/how-much-you-need-to-expect-you-ll-pay-for-a-good-thermal-shock-testing-for-electronics